Replication*IT: Share getRef method

This helper is common to a couple test classes, so share it.

Change-Id: I5839c31ad734c384e812e9e1c7bcba8ba05c23cc
diff --git a/src/test/java/com/googlesource/gerrit/plugins/replication/ReplicationDaemon.java b/src/test/java/com/googlesource/gerrit/plugins/replication/ReplicationDaemon.java
index f702df3..7432745 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/replication/ReplicationDaemon.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/replication/ReplicationDaemon.java
@@ -169,6 +169,10 @@
     }
   }
 
+  protected Ref getRef(Repository repo, String branchName) throws IOException {
+    return repo.getRefDatabase().exactRef(branchName);
+  }
+
   protected void reloadConfig() {
     getAutoReloadConfigDecoratorInstance().reload();
   }
diff --git a/src/test/java/com/googlesource/gerrit/plugins/replication/ReplicationFanoutIT.java b/src/test/java/com/googlesource/gerrit/plugins/replication/ReplicationFanoutIT.java
index 3ebef54..3619add 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/replication/ReplicationFanoutIT.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/replication/ReplicationFanoutIT.java
@@ -159,10 +159,6 @@
     assertThat(listWaitingTasks("refs/changes/\\d*/\\d*/\\d*")).hasSize(4);
   }
 
-  private Ref getRef(Repository repo, String branchName) throws IOException {
-    return repo.getRefDatabase().exactRef(branchName);
-  }
-
   private void setReplicationDestinationRemoteConfig(
       String remoteName, String replicaSuffix, Optional<String> project) throws IOException {
     setReplicationDestinationRemoteConfig(
diff --git a/src/test/java/com/googlesource/gerrit/plugins/replication/ReplicationIT.java b/src/test/java/com/googlesource/gerrit/plugins/replication/ReplicationIT.java
index 25440f8..ce87a13 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/replication/ReplicationIT.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/replication/ReplicationIT.java
@@ -361,10 +361,6 @@
     }
   }
 
-  private Ref getRef(Repository repo, String branchName) throws IOException {
-    return repo.getRefDatabase().exactRef(branchName);
-  }
-
   private void setProjectDeletionReplication(String remoteName, boolean replicateProjectDeletion)
       throws IOException {
     config.setBoolean("remote", remoteName, "replicateProjectDeletions", replicateProjectDeletion);